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hai la er pen di gao dou duan kuai you cang jing wang you hua ji ying yong xiao guo
Author(s): 
Pages: 84-86
Year: Issue:  2
Journal: Petroleum Geology and Engineering

Keyword:  海拉尔油田断块油藏井网形式注水方式;
Abstract: 针对海拉尔盆地高陡断块油藏地层倾角大和需要压裂投产的特点,着重考虑重力作用、人工裂缝等因素,优化了合理井网形式和注水方式.研究结果表明,规模较大断块适合采用正方形井网部署,可以减缓由于重力作用造成的注入水向低部位水窜、以及由于人工裂缝造成的采油井过早见水;在窄条带状断块以及断层附近可采用灵活井网形式.在注水方式方面,通过机理模型及数值模拟等方法,综合确定窄小断块采用边部注水方式,规模较大断块则采用边部结合点状的注水方式.实施效果表明,所采用的井网形式和注水方式是合理的.
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